

MCQOPTIONS
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1. |
Consider the following table in a relational databaseLast NameRankRoomShiftSmithManager234MorningJonesCustodian33MorningSmithCustodian33EveningDoeClerical222MorningAccording to the data shown in the table, which of the following could be a candidate key of the table? |
A. | {Last Name} |
B. | {Room} |
C. | {Shift} |
D. | {Room, Shift} |
Answer» E. | |